Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.

Climate change is causing soil salinization, resulting in huge crop losses throughout the world. Multiple physiological and biochemical pathways determine the ability of plants to tolerate salt stress. Chili (Capsicum annum L.) is a salt-susceptible crop; therefore, its growth and yield is negativel...

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Autores principales:	Madiha Butt, Abdul Sattar, Tahira Abbas, Rashid Hussain, Muhammad Ijaz, Ahmad Sher, Umbreen Shahzad, Sami Ullah, Marian Brestic, Marek Zivcak, Kristina Gasparovic, Bandar S Aljuaid, Ahmed M El-Shehawi, Ali Tan Kee Zuan
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/536e5509c1d54c3ca2bebb91e8532b99
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spelling	oai:doaj.org-article:536e5509c1d54c3ca2bebb91e8532b992021-12-02T20:04:23ZMorpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.1932-620310.1371/journal.pone.0257893https://doaj.org/article/536e5509c1d54c3ca2bebb91e8532b992021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257893https://doaj.org/toc/1932-6203Climate change is causing soil salinization, resulting in huge crop losses throughout the world. Multiple physiological and biochemical pathways determine the ability of plants to tolerate salt stress. Chili (Capsicum annum L.) is a salt-susceptible crop; therefore, its growth and yield is negatively impacted by salinity. Irreversible damage at cell level and photo inhibition due to high production of reactive oxygen species (ROS) and less CO2 availability caused by water stress is directly linked with salinity. A pot experiment was conducted to determine the impact of five NaCl salinity levels, i.e., 0,1.5, 3.0, 5.0 and 7.0 dS m-1 on growth, biochemical attributes and yield of two chili genotypes ('Plahi' and 'A-120'). Salinity stress significantly reduced fresh and dry weight, relative water contents, water use efficiency, leaf osmotic potential, glycine betaine (GB) contents, photosynthetic rate (A), transpiration rate (E), stomatal conductance (Ci), and chlorophyll contents of tested genotypes. Salinity stress significantly enhanced malondialdehyde (MDA) contents and activities of the enzymatic antioxidants such as superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD). In addition, increasing salinity levels significantly reduced the tissue phosphorus and potassium concentrations, while enhanced the tissue sodium and chloride concentrations. Genotype 'Plahi' had better growth and biochemical attributes compared to 'A-120'. Therefore, 'Plahi' is recommended for saline areas to improve chili production.Madiha ButtAbdul SattarTahira AbbasRashid HussainMuhammad IjazAhmad SherUmbreen ShahzadSami UllahMarian BresticMarek ZivcakKristina GasparovicBandar S AljuaidAhmed M El-ShehawiAli Tan Kee ZuanPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0257893 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Madiha Butt Abdul Sattar Tahira Abbas Rashid Hussain Muhammad Ijaz Ahmad Sher Umbreen Shahzad Sami Ullah Marian Brestic Marek Zivcak Kristina Gasparovic Bandar S Aljuaid Ahmed M El-Shehawi Ali Tan Kee Zuan Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
description	Climate change is causing soil salinization, resulting in huge crop losses throughout the world. Multiple physiological and biochemical pathways determine the ability of plants to tolerate salt stress. Chili (Capsicum annum L.) is a salt-susceptible crop; therefore, its growth and yield is negatively impacted by salinity. Irreversible damage at cell level and photo inhibition due to high production of reactive oxygen species (ROS) and less CO2 availability caused by water stress is directly linked with salinity. A pot experiment was conducted to determine the impact of five NaCl salinity levels, i.e., 0,1.5, 3.0, 5.0 and 7.0 dS m-1 on growth, biochemical attributes and yield of two chili genotypes ('Plahi' and 'A-120'). Salinity stress significantly reduced fresh and dry weight, relative water contents, water use efficiency, leaf osmotic potential, glycine betaine (GB) contents, photosynthetic rate (A), transpiration rate (E), stomatal conductance (Ci), and chlorophyll contents of tested genotypes. Salinity stress significantly enhanced malondialdehyde (MDA) contents and activities of the enzymatic antioxidants such as superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD). In addition, increasing salinity levels significantly reduced the tissue phosphorus and potassium concentrations, while enhanced the tissue sodium and chloride concentrations. Genotype 'Plahi' had better growth and biochemical attributes compared to 'A-120'. Therefore, 'Plahi' is recommended for saline areas to improve chili production.
format	article
author	Madiha Butt Abdul Sattar Tahira Abbas Rashid Hussain Muhammad Ijaz Ahmad Sher Umbreen Shahzad Sami Ullah Marian Brestic Marek Zivcak Kristina Gasparovic Bandar S Aljuaid Ahmed M El-Shehawi Ali Tan Kee Zuan
author_facet	Madiha Butt Abdul Sattar Tahira Abbas Rashid Hussain Muhammad Ijaz Ahmad Sher Umbreen Shahzad Sami Ullah Marian Brestic Marek Zivcak Kristina Gasparovic Bandar S Aljuaid Ahmed M El-Shehawi Ali Tan Kee Zuan
author_sort	Madiha Butt
title	Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
title_short	Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
title_full	Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
title_fullStr	Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
title_full_unstemmed	Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.
title_sort	morpho-physiological and biochemical attributes of chili (capsicum annum l.) genotypes grown under varying salinity levels.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/536e5509c1d54c3ca2bebb91e8532b99
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Morpho-physiological and biochemical attributes of Chili (Capsicum annum L.) genotypes grown under varying salinity levels.

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